1. Which equation represents the axis of symmetry of the function y = - 2x² + 4x - 6? y = 1 x = 1 x = 3 x = - 3 2. What are the coordinates of the vertex of the graph of the function y = - x² + 6x - 11? (3, - 2) (3, 16) (-3, - 29) (-3, - 20) 3.
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